The British gameshow, "Golden Balls," culminates with a version of the Prisoner's Dilemma, where the two contestants have to decide whether they're going to "split" or "steal" a pot of money.

If they both choose to "split," they divide the money evenly. If one opts to "split", and one opts to "steal," the one who "steals" gets the entire amount at stake. And if they both opt to "steal," then neither get any money.

You have to watch the video to appreciate the legendary move that one contestant pulled: